75687563875 has 32 divisors (see below), whose sum is σ = 117765932544. Its totient is φ = 47181852000.

The previous prime is 75687563873. The next prime is 75687563893. The reversal of 75687563875 is 57836578657.

It is not a de Polignac number, because 75687563875 - 2¹ = 75687563873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75687563875.

It is not an unprimeable number, because it can be changed into a prime (75687563873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3922197 + ... + 3941446.

It is an arithmetic number, because the mean of its divisors is an integer number (3680185392).

Almost surely, 2^75687563875 is an apocalyptic number.

75687563875 is a deficient number, since it is larger than the sum of its proper divisors (42078368669).

75687563875 is a wasteful number, since it uses less digits than its factorization.

75687563875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863676 (or 7863666 counting only the distinct ones).

The product of its digits is 296352000, while the sum is 67.

The spelling of 75687563875 in words is "seventy-five billion, six hundred eighty-seven million, five hundred sixty-three thousand, eight hundred seventy-five".